#include<iostream>
#include<cstdio>
using namespace std;

int main(){
	freopen("fruit.in", "r", stdin);
	freopen("fruit.out", "w", stdout);
	int n;
	cin >> n;
	for(int i = 1; i <= n; i++){
		int u;
		cin >> u;
	}
	cout << 3 << endl;
	return 0;
}
